North America Native Plant

Steptoe Valley Beardtongue

Botanical name: Penstemon immanifestus

USDA symbol: PEIM2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Steptoe Valley Beardtongue: A Hidden Gem for Water-Wise Gardens Meet the Steptoe Valley beardtongue (Penstemon immanifestus), a delightful native perennial that’s been quietly thriving in the American West long before any of us thought about xeriscaping. This unassuming member of the penstemon family might not have the flashiest name, but ...

Steptoe Valley Beardtongue: A Hidden Gem for Water-Wise Gardens

Meet the Steptoe Valley beardtongue (Penstemon immanifestus), a delightful native perennial that’s been quietly thriving in the American West long before any of us thought about xeriscaping. This unassuming member of the penstemon family might not have the flashiest name, but it packs a serious punch when it comes to drought tolerance and pollinator appeal.

Where Does This Beauty Call Home?

Steptoe Valley beardtongue is a true Great Basin native, naturally occurring in Nevada and Utah. As a native species to the lower 48 states, it’s perfectly adapted to the challenging conditions of the American West. This regional specialty has evolved to thrive in areas where many other plants would simply throw in the towel.

What Makes It Special?

This perennial forb herb brings several appealing qualities to your garden landscape:

  • Stunning purple-blue tubular flowers that bloom from late spring into early summer
  • Exceptional drought tolerance once established
  • Attracts hummingbirds, bees, and butterflies with its nectar-rich blooms
  • Low-maintenance growth habit perfect for busy gardeners
  • Supports local ecosystems as a native species

Perfect Garden Companions

Steptoe Valley beardtongue shines brightest in:

  • Rock gardens where its natural habitat preferences are mimicked
  • Xeriscaping and drought-tolerant landscapes
  • Native plant gardens celebrating regional flora
  • Pollinator gardens designed to support local wildlife
  • Low-water Mediterranean-style landscapes

Growing Conditions That Make It Happy

This adaptable native thrives in USDA hardiness zones 4-8, making it suitable for a wide range of climates. Here’s what Steptoe Valley beardtongue needs to flourish:

  • Sunlight: Full sun exposure for best flowering
  • Soil: Well-draining soil is absolutely essential – soggy conditions are its nemesis
  • Water: Drought tolerant once established, requiring minimal supplemental watering
  • pH: Tolerates a range of soil pH levels typical of its native habitat

Planting and Care Made Simple

Getting started with Steptoe Valley beardtongue is refreshingly straightforward:

  • Best planting time: Spring, after the last frost date
  • Spacing: Allow adequate room for air circulation
  • Watering: Water regularly during the first growing season to establish roots, then reduce frequency
  • Maintenance: Deadhead spent flowers to encourage continued blooming
  • Winter care: Minimal requirements – this tough native can handle cold temperatures

Why Your Garden (and Local Wildlife) Will Thank You

Choosing Steptoe Valley beardtongue means embracing sustainable gardening practices while supporting local ecosystems. Its tubular flowers are perfectly shaped for hummingbird beaks, while also providing nectar for various bee species and butterflies. Plus, as a native plant, it requires fewer resources than non-native alternatives, making your garden more environmentally friendly.

Whether you’re creating a water-wise landscape or simply want to add some regional character to your garden, Steptoe Valley beardtongue deserves serious consideration. It’s proof that sometimes the best garden additions are the ones that have been perfecting their act in your local environment for centuries.

Steptoe Valley Beardtongue

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Penstemon Schmidel - beardtongue

Species

Penstemon immanifestus N.H. Holmgren - Steptoe Valley beardtongue

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA